Question

State two reasons to justify that air is a mixture and water is compound.

Answer 1

Air is a mixture because:
1) Its components vary from place to place
2) Its components continue to vary
3) Its components can be seperated by physical means

Water is a compound because:
1) Its components are bound together chemically
2) Its components always occur in a fixed proportion -- be it tap water, sea water, etc.
3) Its components cannot be seperated by physical mean

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Answer 2

A mixture is having more than one disimilar particle which can't fuse with each other. Air is having dust particle and gases like nitrogen,oxygen etc and also water vapour so its a mixture.________



On the other hand comlound is combination of two or more similar particles which dissolves and form a new compound
Water is formed by the combination of hydrogen and oxygen hence it is a compound